Learn about the origin, significance, and ways to celebrate National Sons Day on March 4th and September 28th. Find out how to spend quality time with your son, express your love and affection, and teach him valuable life lessons. National Sons Day is a holiday that’s observed twice every year and celebrates all of our sons. This holiday is celebrated on March 4th and September 28th and honors the male children who carry on our names and will ultimately work with the daughters of the world to change humanity’s future. It’s a day for […] Jill Nico established National Sons Day in 2018 as a way to encourage meaningful conversations between parents and sons. The day is marked on both March 4 and September 28 every year. The reason ... National Sons Day, a day to celebrate sons, comes around twice a year. Here's what to know about the quasi-holiday.